An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5975-01-075-6980
NSN 6110-00-147-6006
NSN 5855-00-494-9581
NSN 6150-01-534-7021
NSN 5925-00-121-5218
NSN 5998-00-179-3251
NSN 6650-00-583-1735
NSN 6610-01-422-1322
NSN 6105-01-039-7415
NSN 6240-01-017-1049
NSN 6105-01-396-2195
NSN 6645-00-103-2517